The effects of the macrostructure of tyre steel and continuous-casting temperature on hydrogen flaking and fracture toughness, K_(IQ), have been investigated.

研究了轮箍钢低倍组织和连铸温度对白点敏感性、断裂韧性的影响。

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But if the introduction in 1973 of Pirelli's steel-belted Cinturato radial tyre is any guide, devices that make cars safer will be adopted rapidly.

而如果从1973年倍耐力引入钢丝子午线轮胎来看，使车辆更安全的设备会迅速的被应用。

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It is made from steel tubes, bicycle parts and a tractor tyre.

据悉，此车由现年 29岁的沃特收集来的钢管、自行车组件和拖拉机轮胎等拼装而成。

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Raw rubber is heated and extruded on to the drum, followed by successive layers of steel wires and strips as the tyre takes shape.

ECONOMIST: Re-inventing the wheel